243 lines
9.3 KiB
C++
243 lines
9.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2013 Jürgen Riegel <FreeCAD@juergen-riegel.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#include <SMESH_Version.h>
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#ifndef _PreComp_
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#include <BRepBuilderAPI_Copy.hxx>
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#include <BRepTools.hxx>
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#include <Python.h>
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#include <SMESH_Gen.hxx>
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#include <SMESH_Mesh.hxx>
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#include <StdMeshers_Deflection1D.hxx>
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#include <StdMeshers_Hexa_3D.hxx>
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#include <StdMeshers_LocalLength.hxx>
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#include <StdMeshers_MaxElementArea.hxx>
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#include <StdMeshers_MaxLength.hxx>
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#include <StdMeshers_NumberOfSegments.hxx>
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#include <StdMeshers_ProjectionSource1D.hxx>
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#include <StdMeshers_ProjectionSource2D.hxx>
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#include <StdMeshers_ProjectionSource3D.hxx>
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#include <StdMeshers_QuadranglePreference.hxx>
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#include <StdMeshers_Quadrangle_2D.hxx>
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#include <StdMeshers_RadialPrism_3D.hxx>
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#include <StdMeshers_Regular_1D.hxx>
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#include <StdMeshers_SegmentAroundVertex_0D.hxx>
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#include <StdMeshers_StartEndLength.hxx>
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#endif
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#include <App/DocumentObjectPy.h>
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#include <Mod/Part/App/PartFeature.h>
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#include "FemMesh.h"
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#include "FemMeshShapeObject.h"
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using namespace Fem;
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using namespace App;
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PROPERTY_SOURCE(Fem::FemMeshShapeObject, Fem::FemMeshObject)
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FemMeshShapeObject::FemMeshShapeObject()
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{
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ADD_PROPERTY_TYPE(
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Shape,
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(nullptr),
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"FEM Mesh",
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Prop_None,
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"Geometry object, the mesh is made from. The geometry object has to have a Shape.");
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}
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FemMeshShapeObject::~FemMeshShapeObject() = default;
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App::DocumentObjectExecReturn* FemMeshShapeObject::execute()
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{
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Fem::FemMesh newMesh;
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Part::Feature* feat = Shape.getValue<Part::Feature*>();
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#if 0
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TopoDS_Shape oshape = feat->Shape.getValue();
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BRepBuilderAPI_Copy copy(oshape);
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const TopoDS_Shape& shape = copy.Shape();
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BRepTools::Clean(shape); // remove triangulation
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#else
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TopoDS_Shape shape = feat->Shape.getValue();
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#endif
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newMesh.getSMesh()->ShapeToMesh(shape);
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SMESH_Gen* myGen = newMesh.getGenerator();
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int hyp = 0;
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#if 0
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SMESH_HypothesisPtr len(new StdMeshers_MaxLength(hyp++, 1, myGen));
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static_cast<StdMeshers_MaxLength*>(len.get())->SetLength(1.0);
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newMesh.addHypothesis(shape, len);
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SMESH_HypothesisPtr loc(new StdMeshers_LocalLength(hyp++, 1, myGen));
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static_cast<StdMeshers_LocalLength*>(loc.get())->SetLength(1.0);
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newMesh.addHypothesis(shape, loc);
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SMESH_HypothesisPtr area(new StdMeshers_MaxElementArea(hyp++, 1, myGen));
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static_cast<StdMeshers_MaxElementArea*>(area.get())->SetMaxArea(1.0);
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newMesh.addHypothesis(shape, area);
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SMESH_HypothesisPtr segm(new StdMeshers_NumberOfSegments(hyp++, 1, myGen));
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static_cast<StdMeshers_NumberOfSegments*>(segm.get())->SetNumberOfSegments(1);
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newMesh.addHypothesis(shape, segm);
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SMESH_HypothesisPtr defl(new StdMeshers_Deflection1D(hyp++, 1, myGen));
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static_cast<StdMeshers_Deflection1D*>(defl.get())->SetDeflection(0.01);
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newMesh.addHypothesis(shape, defl);
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SMESH_HypothesisPtr reg(new StdMeshers_Regular_1D(hyp++, 1, myGen));
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newMesh.addHypothesis(shape, reg);
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//SMESH_HypothesisPtr sel(new StdMeshers_StartEndLength(hyp++, 1, myGen));
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//static_cast<StdMeshers_StartEndLength*>(sel.get())->SetLength(1.0, true);
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//newMesh.addHypothesis(shape, sel;
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SMESH_HypothesisPtr qdp(new StdMeshers_QuadranglePreference(hyp++,1,myGen));
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newMesh.addHypothesis(shape, qdp);
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//SMESH_HypothesisPtr q2d(new StdMeshers_Quadrangle_2D(hyp++,1,myGen));
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//newMesh.addHypothesis(shape, q2d);
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SMESH_HypothesisPtr h3d(new StdMeshers_Hexa_3D(hyp++,1,myGen));
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newMesh.addHypothesis(shape, h3d);
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// create mesh
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newMesh.compute();
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#endif
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#if 1 // Surface quad mesh
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#if SMESH_VERSION_MAJOR >= 9
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SMESH_HypothesisPtr len(new StdMeshers_MaxLength(hyp++, myGen));
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static_cast<StdMeshers_MaxLength*>(len.get())->SetLength(1.0);
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newMesh.addHypothesis(shape, len);
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SMESH_HypothesisPtr loc(new StdMeshers_LocalLength(hyp++, myGen));
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static_cast<StdMeshers_LocalLength*>(loc.get())->SetLength(1.0);
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newMesh.addHypothesis(shape, loc);
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SMESH_HypothesisPtr area(new StdMeshers_MaxElementArea(hyp++, myGen));
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static_cast<StdMeshers_MaxElementArea*>(area.get())->SetMaxArea(1.0);
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newMesh.addHypothesis(shape, area);
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SMESH_HypothesisPtr segm(new StdMeshers_NumberOfSegments(hyp++, myGen));
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static_cast<StdMeshers_NumberOfSegments*>(segm.get())->SetNumberOfSegments(1);
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newMesh.addHypothesis(shape, segm);
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SMESH_HypothesisPtr defl(new StdMeshers_Deflection1D(hyp++, myGen));
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static_cast<StdMeshers_Deflection1D*>(defl.get())->SetDeflection(0.01);
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newMesh.addHypothesis(shape, defl);
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SMESH_HypothesisPtr reg(new StdMeshers_Regular_1D(hyp++, myGen));
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newMesh.addHypothesis(shape, reg);
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SMESH_HypothesisPtr qdp(new StdMeshers_QuadranglePreference(hyp++, myGen));
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newMesh.addHypothesis(shape, qdp);
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SMESH_HypothesisPtr q2d(new StdMeshers_Quadrangle_2D(hyp++, myGen));
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newMesh.addHypothesis(shape, q2d);
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#else
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SMESH_HypothesisPtr len(new StdMeshers_MaxLength(hyp++, 1, myGen));
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static_cast<StdMeshers_MaxLength*>(len.get())->SetLength(1.0);
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newMesh.addHypothesis(shape, len);
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SMESH_HypothesisPtr loc(new StdMeshers_LocalLength(hyp++, 1, myGen));
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static_cast<StdMeshers_LocalLength*>(loc.get())->SetLength(1.0);
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newMesh.addHypothesis(shape, loc);
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SMESH_HypothesisPtr area(new StdMeshers_MaxElementArea(hyp++, 1, myGen));
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static_cast<StdMeshers_MaxElementArea*>(area.get())->SetMaxArea(1.0);
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newMesh.addHypothesis(shape, area);
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SMESH_HypothesisPtr segm(new StdMeshers_NumberOfSegments(hyp++, 1, myGen));
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static_cast<StdMeshers_NumberOfSegments*>(segm.get())->SetNumberOfSegments(1);
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newMesh.addHypothesis(shape, segm);
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SMESH_HypothesisPtr defl(new StdMeshers_Deflection1D(hyp++, 1, myGen));
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static_cast<StdMeshers_Deflection1D*>(defl.get())->SetDeflection(0.01);
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newMesh.addHypothesis(shape, defl);
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SMESH_HypothesisPtr reg(new StdMeshers_Regular_1D(hyp++, 1, myGen));
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newMesh.addHypothesis(shape, reg);
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// SMESH_HypothesisPtr sel(new StdMeshers_StartEndLength(hyp++, 1, myGen));
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// static_cast<StdMeshers_StartEndLength*>(sel.get())->SetLength(1.0, true);
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// newMesh.addHypothesis(shape, sel;
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SMESH_HypothesisPtr qdp(new StdMeshers_QuadranglePreference(hyp++, 1, myGen));
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newMesh.addHypothesis(shape, qdp);
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SMESH_HypothesisPtr q2d(new StdMeshers_Quadrangle_2D(hyp++, 1, myGen));
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newMesh.addHypothesis(shape, q2d);
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#endif
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// create mesh
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newMesh.compute();
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#endif
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#if 0 // NETGEN test
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NETGENPlugin_Mesher myNetGenMesher(newMesh.getSMesh(),shape,true);
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//NETGENPlugin_SimpleHypothesis_2D * tet2 = new NETGENPlugin_SimpleHypothesis_2D(hyp++,1,myGen);
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//static_cast<NETGENPlugin_SimpleHypothesis_2D*>(tet2.get())->SetNumberOfSegments(5);
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//static_cast<NETGENPlugin_SimpleHypothesis_2D*>(tet2.get())->SetLocalLength(0.1);
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//static_cast<NETGENPlugin_SimpleHypothesis_2D*>(tet2.get())->LengthFromEdges();
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//myNetGenMesher.SetParameters(tet2);
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//NETGENPlugin_SimpleHypothesis_3D* tet= new NETGENPlugin_SimpleHypothesis_3D(hyp++,1,myGen);
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//static_cast<NETGENPlugin_SimpleHypothesis_3D*>(tet.get())->LengthFromFaces();
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//static_cast<NETGENPlugin_SimpleHypothesis_3D*>(tet.get())->SetMaxElementVolume(0.1);
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//myNetGenMesher.SetParameters( tet);
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myNetGenMesher.Compute();
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#endif
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// set the value to the object
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FemMesh.setValue(newMesh);
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return App::DocumentObject::StdReturn;
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}
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// short FemMeshShapeObject::mustExecute(void) const
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//{
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// return 0;
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// }
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// PyObject *FemMeshShapeObject::getPyObject()
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//{
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// if (PythonObject.is(Py::_None())){
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// // ref counter is set to 1
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// PythonObject = Py::Object(new DocumentObjectPy(this),true);
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// }
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// return Py::new_reference_to(PythonObject);
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// }
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// void FemMeshShapeObject::onChanged(const Property* prop)
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//{
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// App::GeoFeature::onChanged(prop);
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// }
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